As technology continues to advance，we must learn and adapt or we'll risk becoming a dinosaur.
| A．instantly | B．properly | C．constantly | D．deliberately |
__________ parents say and do has a life-long effect on their children.
| A．That | B．Which |
| C．What | D．As |
__________ matters most in learning English is enough practice.
| A．What | B．Why |
| C．Where | D．Which |
Having checked the doors were closed, and ___ all the lights were off, the boy opened the door to his bedroom.
| A．why | B．that |
| C．when | D．ours |
Work gets done __________ when people do it together, and the rewards are higher too.
| A．easily | B．very easy |
| C．more easily | D．easier |
Of the two coats, I’d choose the __________ one to spare some money for a book.
| A．cheapest | B．cheaper |
| C．more expensive | D．most expensive |